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Method, device and storage medium for controlling the speed of outdoor motor during cooling of air conditioner

A technology of air-conditioning refrigeration and control method, applied in the direction of mechanical equipment, etc., can solve the problem that the control method cannot be adjusted, and achieve the effect of balancing the cooling effect

Active Publication Date: 2022-03-08
四川长虹空调有限公司
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  • Summary
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AI Technical Summary

Problems solved by technology

Most of the existing control methods are based on the temperature of the heat exchanger coil of the outdoor unit. This control method cannot be adjusted according to the actual project site, and can only meet the basic requirements of refrigeration needs, and cannot combine refrigeration and energy efficiency with the actual project.

Method used

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Effect test

Embodiment

[0018] The method for controlling the rotational speed of an outdoor motor during cooling of an air conditioner includes:

[0019] Step 1. Presetting the control target value. The control target value is the saturation temperature value corresponding to the high pressure. Since the high pressure value corresponds to the saturation temperature value corresponding to the high pressure, the control target value can also be a high pressure value. When in use, convert the high pressure value to the saturation temperature value corresponding to the high pressure; the specific value of the preset control target value can be determined according to the operating environment of the air conditioner;

[0020] Step 2. The air-conditioning system is in cooling mode after starting up, and its initial motor speed is controlled in sections according to the equivalent ambient temperature Tet; the equivalent ambient temperature is the product of the real ambient temperature and the compressor lo...

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Abstract

The present invention relates to the technical field of speed control of air conditioners. In order to take into account both cooling and energy efficiency, it specifically relates to a method, device and storage medium for controlling the speed of an outdoor motor during cooling of an air conditioner. Set the control target value to the saturation temperature value corresponding to the high pressure; step 2, the initial motor speed of the air-conditioning system is controlled in sections according to the equivalent ambient temperature; step 3, after T time, the preset control target value is used to adjust the Perform segment control. The device includes: a memory, a processor, an input device, and a program for controlling the rotational speed of an outdoor motor during cooling of the air conditioner that is stored in the memory and can run on the processor. The storage medium stores a program for controlling the rotational speed of the outdoor motor during cooling of the air conditioner. By adopting the above structure, cooling and energy efficiency can be taken into account when the rotational speed is controlled.

Description

technical field [0001] The invention relates to the technical field of air conditioner speed control, in particular to a method, device and storage medium for controlling the speed of an outdoor motor during air conditioner refrigeration. Background technique [0002] The fan motor is the key component for heat exchange of the outdoor unit of the air-cooled air-conditioning system. Due to the gradual improvement of energy efficiency standards, most of the outdoor fan motors currently use DC frequency conversion motors, and their speed can be adjusted in a wide range. Especially in the frequency conversion multi-unit unit, because the multi-unit faces an indoor unit, and its indoor load varies in a wide range, it is necessary to control the speed of the outdoor fan motor from the perspectives of energy efficiency, cooling effect, and noise. Most of the existing control methods are based on the temperature of the heat exchanger coil of the outdoor unit. This control method can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/64F24F11/70
CPCF24F11/64F24F11/70
Inventor 徐强刘静文青李诗荃
Owner 四川长虹空调有限公司
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